MC54HC390A 查看數據表（PDF） - Motorola => Freescale

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MC54HC390A

Dual 4−Stage Binary Ripple Counter with ÷2 and ÷5 Sections

Motorola => Freescale 

MC54/74HC390A

EXPANDED LOGIC DIAGRAM

CLOCK A 1, 15

CQ

D RQ

3, 13 QA

CLOCK B 4, 12

CQ

DQ

R

5, 11 QB

CQ

DQ

R

6, 10 QC

RESET 2, 14

C

D RQ

7, 9 QD

TIMING DIAGRAM

(QA Connected to Clock B)

0

1

2

3

4

5

6

78

9

0

1

2

3

4

5

6

CLOCK A

RESET

QA

QB

QC

QD

MOTOROLA

6

High–Speed CMOS Logic Data

DL129 — Rev 6

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